18235021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 22166784

約数和(自身を除く): 3931763

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2137, 8533, 14959, 49151, 113261, 344057, 792827, 2605003, 18235021]

約数ペア:

[(1, 18235021), (7, 2605003), (23, 792827), (53, 344057), (161, 113261), (371, 49151), (1219, 14959), (2137, 8533)]